A total of around 1,000 acres were listed for sale in Gallatin County, Kentucky, recently, representing a combined $3 million in Gallatin County farms and ranches for sale. Gallatin County ranks 120th in the state for the combined amount of land currently advertised for sale. Sparta had the most land for sale. Gallatin County is the 119th largest county (104 square miles) in Kentucky. It's located in the North Central Kentucky region of the state.